<template>
    <div>
              <!-- 面包屑导航区域 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品列表</el-breadcrumb-item>
           
        </el-breadcrumb>

        <!-- 卡片视图 -->
        <el-card>
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">      
                        <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="goAddpage">添加商品</el-button>
                </el-col>
                <el-col :span="6" :offset="6">
                    <el-button type="primary" :loading="showDatas" size="mini" @click="showDataE">
                        <span v-if="!showDatas">刷新</span>
                    </el-button>
                </el-col>
            </el-row>

            <el-table :data="goodsList" border stripe max-height="480">
                <el-table-column type="index"></el-table-column>
                <el-table-column label="商品名称" prop="goods_name" ></el-table-column>
                <el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
                <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
                <el-table-column label="创建时间" prop="add_time" width="170px">
                    <template slot-scope="scope">
                        {{scope.row.add_time | dateFormat}}
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="140px">
                    <template slot-scope="scope">
                        <el-button type="primary" size="mini" icon="el-icon-edit"></el-button>
                        <el-button type="danger" size="mini" icon="el-icon-delete" @click="removeById(scope.row.goods_id)"></el-button>
                     </template>
                </el-table-column>
                
            </el-table>

            <!-- 分页 -->
            <el-pagination
                @size-change="handleSizeChange"
                @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum"
                :page-sizes="[10, 20, 30, 100]"
                :page-size="100"
                layout="total, sizes, prev, pager, next, jumper"
                :total="total">
            </el-pagination>
        </el-card>
    </div>
</template>

<script>

export default {
    data(){
        return {
           showDatas:false,
            // 根据分页 查询参数
            queryInfo:{
                query:'',
                pagenum:1,
                pagesize: 10
            },
            // 商品数据
            goodsList:[],
            // tiaoshu
            total:0
        }
    },
    created(){
        this.getGoodsList()
    },
    methods:{
        // 根据分页获取对应的商品列表
        async getGoodsList(){
            const {data:res} = await this.$http.get('goods', { params: this.queryInfo})
            if(res.meta.status !==200 ){
                return this.$message.error('获取商品列表失败!')
            }
            // console.log(res.data);
            this.goodsList = res.data.goods
            this.total = res.data.total

        },
        handleSizeChange(newSize){
            this.queryInfo.pagesize = newSize
            this.getGoodsList()
        },
        handleCurrentChange(newPage){
            this.queryInfo.pagenum = newPage
            this.getGoodsList()
        },
        // 刷新
        showDataE(){
            this.showDatas = true
            
            this.queryInfo.query = ''
            this.getGoodsList()
            const _this = this;
            setTimeout(function(){            
                _this.showDatas = false
            },500)
                    
        },
        // 删除商品
        async removeById(id){
            const confirms =await this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
            confirmButtonText: '确定',
            cancelButtonText: '取消',
            type: 'warning'
            }).then((can) => can
            ).catch((err) => err);
            // console.log(confirms);
            if(confirms === 'cancel'){
               return  this.$message({
                type: 'info',
                message: '已取消删除'
                }); 
            }
            
            const {data:res} = await this.$http.delete(`goods/${id}`)
            if(res.meta.status !== 200){
                return this.$message.error('删除成功！')
            }
             this.$message({
                type: 'success',
                message: '删除成功!'
            })
            this.getGoodsList()
            
        },
        goAddpage(){
            this.$router.push('/goods/add')
        }

        
    },
    computed:{
        
    }
}
</script>

<style lang="less" scoped>

</style>
